1 The expected genotype frequencies. 2  The number of heterozygous individuals that you would predict to be in this population. 3  The expected phenotype frequencies. 4  Conditions happen to be really good this year for breeding and next year there are 1,245 young potential Biology instructors.
Freebase(0.00 / 0 votes)Rate this definition: Donkey. The donkey or ass, Equus africanus asinus, is a domesticated member of the Equidae or horse family. The wild ancestor of the donkey is the African wild ass, E. africanus. The donkey has been used as a working animal for at least 5000 years.
1 Bullock (in Australia and New Zealand), an ox, an adult bovine animal used for draught (usually but not always a castrated male). 2  Bullock County, Alabama. 3  Bullock Correctional Facility, a medium-security Alabama Department of Corrections prison. Bullock (in British English), a castrated male bovine animal of any age. 2  Bullock (in North America), a young bull (an uncastrated male bovine animal).